| 摘要 |
PURPOSE:To greatly increase the quantity of the information to be recorded. CONSTITUTION:This hologram seal 1 consists of a transparent or translucent hologram forming layer 11 which is recorded as a hologram image reproducible by white light or an image visible by reflected and diffracted light and a tacky, adhesive layer 15 which is formed on one surface of the hologram forming layer 11 and has both characteristics of the stickability onto an object surface and the repeelability after a prescribed period of time in combination. The above-mentioned hologram seal is provided with the plural hologram forming layers 11-1 to 11-3 varying in the angle of the hologram reproducing light or the reflected and diffracted light. |
